Critical Minerals & Mining — November 2, 2026 Weekly
Critical Minerals & Mining news & updates — every claim linked to a primary source.
Key Findings
Executive Summary (4)
- •The week's most disruptive development was the simultaneous collapse of gold, silver, and copper prices — gold's worst October since 2008 — which exposed the fragility of a mining sector that has been relying on elevated commodity prices to mask deteriorating cost structures. With EY's survey of 400 executives confirming that ore grades are declining and costs rising, and Agnico Eagle quantifying diesel's $50–60/oz impact on 2027 costs, the price correction arrives at the worst possible moment f…
- •The DRC's cobalt export quotas cutting Glencore's output by 52% in a single reporting period marks a qualitative shift in how resource nationalism is affecting battery metal supply chains. Unlike the artisanal mining volatility that has historically characterised DRC cobalt risk, this is a direct government intervention in the output of a major Western miner — a precedent that will be watched closely by lithium, rare earth, and other critical mineral producers operating in jurisdictions with gro…
- •Western governments are moving from strategy to direct investment in critical mineral supply chains: the US Army's $40 million tungsten feasibility award to Perpetua Resources, Nova Minerals' final Alaska antimony approvals, and Australia's A$180 million Donald rare earths project funding all represent concrete capital deployment rather than policy declarations. The convergence of US military funding for strategic minerals and EU capital readiness for Australian resources signals that the allied…
- •Chile's copper supply picture deteriorated on two fronts simultaneously: Codelco's accounting scandal deepened with eight more employees implicated while output hit a two-decade quarterly low, and Teck's Highland Valley strike — though in Canada — adds to the pattern of labour disruption at major copper operations. Against this backdrop, the World Bank's 18% copper price upgrade and Capstone's $3 billion Chile expansion commitment suggest institutional and corporate actors are betting that suppl…
Key Points (17)
- 1.Gold slumped to a one-year low and silver broke below $50 on 2026-10-30, with bullion on track for its worst October since 2008 and gold and silver producers falling as much as 8% [6].
- 2.Copper posted its first monthly loss since June, declining 1.8% in October as AI spending concerns and rising oil prices weighed on metals markets [6].
- 3.Glencore reported a 52% decline in cobalt output under DRC export quotas, holding battery metal in solution and deferring processing costs [6].
- 4.The World Bank lifted its copper price outlook by 18% on 2026-10-28, with upward revisions extending beyond copper to other metals [6].
- 5.Capstone announced a $3 billion investment in Chile to double copper production, anchored by Santo Domingo and Mantoverde expansions [6].
- 6.Teck confirmed a strike began at Highland Valley Copper in British Columbia on 2026-10-25, with the union seeking better wages and pensions [6].
- 7.Codelco's accounting scandal claimed eight more employees by 2026-10-30, with Chile's quarterly copper output at its lowest level in at least two decades [6].
- 8.Perpetua Resources received a $40 million US Army award to evaluate tungsten production feasibility on 2026-10-27 [6].
- 9.Nova Minerals received final approvals for its Alaska antimony project on 2026-10-27, cleared to advance the first fully integrated antimony operation [6].
- 10.Australia announced a revised critical minerals strategy on 2026-10-27 targeting refining advantage over China, with the EU ambassador confirming major EU investment readiness in Australian resources [7].
- 11.Lynas posted a 55% revenue jump on record rare earth prices and flagged its ability to lock in floor-price contracts above market benchmarks [7].
- 12.Australia announced a A$180 million deal to fund the Donald rare earths project in Victoria on 2026-10-27 [7].
- 13.An EY survey of 400 mining executives found critical minerals are getting harder to mine as deposits age, with declining ore grades and rising costs threatening future supplies [6].
- 14.Agnico Eagle warned that elevated diesel prices are expected to add approximately $50 to $60 per ounce to its 2027 costs [6].
- 15.The BLM launched a new map identifying helium concentrations on public lands on 2026-10-29 [5].
- 16.Rio Tinto began restarting Oyu Tolgoi underground operations after a seismic event, reported 2026-10-30 [6].
- 17.The IAI published 2025 fluoride emissions data and joined the MERA metals environmental research platform launch on 2026-10-30 [9].
Market Trends
Precious Metals Sell-Off Marks Worst October Since 2008
Gold and silver prices suffered a sharp reversal at the end of the reporting period. Mining.com reported on 2026-10-30 that gold slumped to a one-year low and silver broke below $50, with bullion headed for its worst October since 2008, dragging gold and silver producers down as much as 8% on Friday [6]. Copper was also set for its first monthly loss since June, posting a 1.8% decline in October as higher oil prices and a slump in tech shares prompted a flight to bonds, per Mining.com on 2026-10…
Structural Cost Pressures Intensify as Ore Grades Decline and Diesel Costs Rise
A convergence of structural and cyclical cost pressures is tightening the squeeze on mining margins. Mining.com reported on 2026-10-30 that an EY survey of 400 mining executives found critical minerals are getting harder to mine as deposits age, with declining ore grades, rising costs, and tighter financing threatening future supplies [6]. Agnico Eagle separately warned on 2026-10-29 that elevated diesel prices are expected to add approximately $50 to $60 per ounce to its 2027 costs [6]. The EY …
World Bank Lifts Copper Price Outlook as Long-Term Supply Investment Accelerates
The World Bank raised its copper price outlook by 18% as reported by Mining.com on 2026-10-28, with upward revisions extending beyond copper to other metals [6]. This institutional price upgrade coincides with Capstone announcing a $3 billion investment in Chile to double copper production, with Santo Domingo and Mantoverde expansions anchoring the Atacama plan, reported 2026-10-27 [6]. The World Bank revision and major miner capital commitments together signal that institutional and corporate a…
Rare Earth Supply Chain Diversification Gains Momentum Despite Persistent Refining Bottlenecks
The rare earth supply chain diversification effort advanced on multiple fronts this week. Lynas posted a 55% revenue jump on record prices and flagged its ability to lock in floor-price contracts above market benchmarks, reported by Mining.com on 2026-10-29 [7]. Australia announced a A$180 million deal to fund the Donald rare earths project in Victoria, with A$70 million from Export Finance Australia and A$110 million from the National Fund, reported 2026-10-27 [7]. However, Chile's rare earth a…
DRC Cobalt Export Quotas Reshape Battery Metal Supply Dynamics
Glencore reported a 52% decline in cobalt output under DRC export quotas, with Mining.com reporting on 2026-10-29 that the miner is holding the battery metal in solution, deferring processing costs while protecting future sales [6]. This development signals that DRC government intervention in cobalt export flows is now materially affecting the output of even the largest producers, creating a new layer of geopolitical supply risk for battery metal supply chains that had previously been primarily …
Competitor Trends
Anglo-MMG Nickel Deal Remains in EU Review as Supply Guarantee Offer Stands
The Anglo American-MMG nickel deal continued to await EU resolution this week, with MMG's offer to guarantee European ferronickel supply remaining the operative remedy on the table. Mining.com's ongoing coverage through 2026-10-31 continued to reference the deal's status, with the European Commission's concerns about ferronickel supply diversion unresolved [6]. The deal's prolonged EU review — now spanning multiple reporting periods — is establishing a de facto precedent that Chinese-owned acqui…
Australia Revamps Critical Minerals Strategy to Target Refining Advantage Over China
Australia announced a revised critical minerals strategy on 2026-10-27, with the resource minister stating the focus would be on capturing more economic and strategic value, reported by Mining.com [7]. The EU ambassador separately stated on 2026-10-28 that the EU is readying for major Australian resources investment, describing Australia as one of several critical minerals superpowers in which the EU is looking to invest [7]. The combination of a revised domestic strategy and incoming EU capital…
Teck Strike Begins at Highland Valley Copper, Extending North American Labour Disruptions
Teck confirmed a strike began at its Highland Valley Copper mine in British Columbia, reported by Mining.com on 2026-10-25, with the union seeking better wages and pensions [6]. Teck's profit nonetheless surged as copper prices hit record highs, reported 2026-10-29, with stronger earnings and production despite the labour dispute and Chinese scrutiny [6]. The simultaneous strike and record earnings illustrate the tension between labour's demand for a share of commodity windfalls and management's…
US Government Advances Antimony, Tungsten, and Rare Earth Projects with Direct Funding
The US government advanced multiple critical mineral projects with direct funding this week. Perpetua Resources received a $40 million US Army award to evaluate the technical and economic feasibility of producing tungsten, reported by Mining.com on 2026-10-27 [6]. Nova Minerals received final approvals for its Alaska antimony project, cleared to advance the first fully integrated antimony operation, reported 2026-10-27 [6]. The NMA highlighted US advances in antimony and tungsten projects on 202…
Codelco Accounting Scandal Deepens, Adding Governance Risk to Chilean Copper Supply
Codelco's accounting scandal claimed eight more employees as of 2026-10-30, with Mining.com reporting that Chile's state miner faces mounting scrutiny over disputed output records as fresh evidence raises concerns [6]. Chile separately signalled a slow copper recovery from a historic output slump, with output reported to have sunk to its lowest quarterly level in at least two decades, per Mining.com on 2026-10-30 [6]. The combination of governance failures and production decline at the world's l…
Regulatory Trends
US Permitting Reform Remains Central Policy Priority as NMA Escalates Advocacy
The NMA sustained its permitting reform advocacy throughout the week, with its featured press releases consistently highlighting 'Permitting Reform Is the Ultimate Test of American Mineral Security' and 'An Energy and Infrastructure Permitting Breakthrough is Within Reach' across multiple daily updates from 2026-10-27 through 2026-11-01 [1]. The NMA also highlighted US advances in antimony and tungsten projects on 2026-10-28 and the DOE's battery strategy alongside Freeport's molybdenum expansio…
BLM Launches Helium Concentration Map and Sustains Active Lease Sale Cadence
The BLM launched a new map identifying helium concentrations on public lands on 2026-10-29, announced as a spotlight item on 2026-10-30 [5]. The BLM also continued its active lease sale cadence, with a Montana and North Dakota oil and gas lease sale generating over $21 million in revenue, a California geothermal lease sale strengthening US energy security, and Wyoming inviting initial public feedback for a June 2027 oil and gas lease sale, all reported during the week [5]. The helium map launch …
Worldsteel Climate Policy Paper Sustained Daily Updates Signal Active Decarbonisation Commitment Revision
Worldsteel continued its pattern of daily updates to its climate change and production of iron and steel policy paper throughout the week, with the paper dated 2026-10-25, 2026-10-26, 2026-10-27, 2026-10-28, 2026-10-29, 2026-10-30, 2026-10-31, and 2026-11-01 across successive source snapshots [8]. This sustained revision cadence, now spanning two consecutive reporting periods, suggests the steel industry is in active negotiation of its decarbonisation commitments ahead of the incoming Director G…
Brazil Critical Minerals Policy Uncertainty Creates Investor Friction
Brazil's critical minerals policy environment generated significant investor concern this week. Mining.com reported on 2026-10-26 that Lula's Brazil win puts rare earths in Trump's crosshairs, with foreign miners facing tighter scrutiny as Brasília pursues domestic processing and resists Washington's trade pressure [6]. Anglo's Sanches urged Brazil on 2026-10-27 to move quickly to set rules for its critical minerals policy to give mining companies greater predictability over their investments [7…
Sources Activity
Since last week
Gold and Silver Suffer Worst October Sell-Off Since 2008
Gold slumped to a one-year low and silver broke below $50 on 2026-10-30, with bullion on track for its worst October since 2008 and gold and silver producers falling as much as 8% [6]. Copper posted its first monthly loss since June, declining 1.8% in October. This broad precious and base metals sell-off represents the most significant single-week price event of the reporting period and reverses the bullion strength that had been supporting gold miner margins.
Glencore Cobalt Output Sinks 52% Under DRC Export Quotas
Glencore reported a 52% decline in cobalt output due to DRC export quotas, with the miner holding battery metal in solution and deferring processing costs while protecting future sales, reported by Mining.com on 2026-10-29 [6]. This is the first major quantified production impact from DRC cobalt export restrictions reported this period and represents a material supply chain disruption for battery metal markets.
Teck Strike Confirmed at Highland Valley Copper; Codelco Scandal Deepens
The Teck Highland Valley Copper strike moved from notice to active work stoppage as of 2026-10-25, reported by Mining.com [6]. Separately, Codelco's accounting scandal claimed eight more employees by 2026-10-30, with Chile's quarterly copper output reported at its lowest level in at least two decades [6]. Both developments extend the North American and Chilean copper supply disruption pattern tracked in the prior period, with the Teck situation now confirmed as an active strike rather than a not…
US Army Funds Perpetua Resources Tungsten Feasibility; Nova Minerals Clears Alaska Antimony Approvals
Perpetua Resources received a $40 million US Army award to evaluate tungsten production feasibility, reported by Mining.com on 2026-10-27 [6]. Nova Minerals received final approvals for its Alaska antimony project on 2026-10-27, cleared to advance the first fully integrated antimony operation [6]. The NMA highlighted both developments on 2026-10-28 [1]. These represent the first direct US military funding for tungsten and the first fully approved domestic antimony project of the reporting period…
Australia Revamps Critical Minerals Strategy; World Bank Lifts Copper Price Outlook 18%
Australia announced a revised critical minerals strategy on 2026-10-27 targeting refining advantage over China, with the EU ambassador confirming major EU investment readiness in Australian resources on 2026-10-28 [7]. The World Bank separately lifted its copper price outlook by 18% on 2026-10-28, with upward revisions extending to other metals [6]. Together these signal a new phase of institutional alignment on both the strategic importance and the price trajectory of critical minerals.
Watchlist — Upcoming Deadlines
ILZSG Statistical Bulletin and Data Spreadsheet next release
Source: Mining Association of CanadaStrategic Insights (7)
- 1.The 52% Glencore cobalt output decline under DRC quotas [6] is a template for how resource-rich governments can exercise supply leverage over Western miners without formal nationalisation — by controlling export flows rather than ownership. This mechanism is more legally defensible and harder to challenge than expropriation, and its apparent effectiveness in the DRC will not go unnoticed by other mineral-rich governments.
- 2.The World Bank's 18% copper price upgrade [6] arriving in the same week as copper's first monthly loss since June illustrates the divergence between institutional long-term price views and short-term market dynamics. Capstone's $3 billion Chile commitment suggests major miners are aligning with the institutional view, accepting near-term price volatility in exchange for long-term supply positioning.
- 3.Australia's revised critical minerals strategy targeting refining advantage over China [7], combined with EU investment readiness, positions Australia as the primary Western-aligned processing hub for rare earths and critical minerals. This is a strategic upgrade from Australia's prior role as a raw material exporter, and if executed, would represent the most significant structural change to the non-Chinese rare earth supply chain since Lynas established its Malaysian processing operations.
- 4.The EY finding that high prices are masking deeper risks [6] — declining ore grades, rising costs, tighter financing — suggests the mining sector's apparent health is a lagging indicator. The price correction that began on 2026-10-30 may accelerate the visibility of these structural weaknesses, particularly for higher-cost producers who have been relying on elevated commodity prices to maintain margins.
- 5.The US Army's direct funding of Perpetua Resources' tungsten feasibility study [6] and Nova Minerals' Alaska antimony approvals [6] signal that the US is treating antimony and tungsten as national security minerals requiring military-grade supply chain intervention, not just commercial incentives. This mirrors the approach taken with rare earths and lithium in earlier years and suggests the critical minerals list is being operationalised through defence procurement channels.
- 6.Codelco's simultaneous governance crisis and historic production low [6] raises the question of whether the two are causally linked — whether the accounting irregularities reflect broader operational dysfunction that has contributed to the output decline. If so, the recovery timeline for Chilean copper supply may be longer than the 'slow recovery' framing suggests.
- 7.The IAI's publication of 2025 fluoride emissions data and launch of the MERA environmental research platform [9] on 2026-10-30 reflects the aluminium industry's continued investment in environmental transparency infrastructure, which is increasingly a prerequisite for access to Western markets and green finance. This positions IAI members favourably relative to non-reporting producers as ESG-linked financing conditions tighten.
Trust Summary
9 sources cited this weekDetected across 15 monitored URLs you selected — one URL can surface multiple articles.
Each source is weighted by its trust level. Single-source claims are flagged as unverified during AI synthesis.
Sources
Source for NMA permitting reform advocacy, US advances in antimony and tungsten projects highlighted 2026-10-28, DOE battery strategy and Freeport molybdenum expansion noted 2026-10-29, and ongoing supply chain security messaging throughout the week.
Source for BGS phosphate oxygen isotope stability research published 2026-10-29, BGS 50th anniversary at Keyworth 2026-10-28, and interactive multi-hazard exhibition in Indonesia launched 2026-11-01.
Vale press releases page sustained daily updates from 2026-10-25 through 2026-11-01 without substantive new operational announcements visible in the page content (company announcement — may reflect promotional framing).
Source for Mining Association of Canada ongoing TSM framework promotion, Facts and Figures 2026 report, and mining excellence recognition during the week of 2026-10-26 to 2026-10-30.
Source for BLM helium concentration map launch 2026-10-29, Montana and North Dakota oil and gas lease sale generating over $21 million, California geothermal lease sale, Wyoming June 2027 lease sale public feedback invitation, and ongoing energy and minerals program activity.
Source for gold and silver sell-off worst October since 2008, copper first monthly loss since June, Glencore cobalt 52% output decline under DRC quotas, World Bank 18% copper price upgrade, Capstone $3B Chile copper expansion, Teck Highland Valley strike, Codelco accounting scandal, Perpetua Resources $40M US Army tungsten award, Nova Minerals Alaska antimony approvals, Agnico Eagle diesel cost warning, EY critical minerals cost survey, Rio Tinto Oyu Tolgoi restart, Chile copper output historic low, and Brazil rare earths policy friction.
Source for Australia revised critical minerals strategy targeting refining edge over China, Australia A$180M Donald rare earths project funding, Lynas 55% revenue jump and floor-price contracts, EU investment readiness for Australian resources, DTEC Malaysia-to-US rare earth research shipment permit, HyProMag USA $2.1B PFS, Brazil rare earths policy uncertainty, and Appian Africa policy risk warning.
Source for worldsteel daily updates to climate change and iron and steel policy paper throughout the week from 2026-10-25 through 2026-11-01, and ongoing September 2026 crude steel production data of 142.4 Mt.
Source for IAI joining MERA metals environmental research platform launch 2026-10-30, IAI publication of 2025 fluoride emissions data 2026-10-30, and aluminium cans global beverage recycling leadership dataset published 2026-09-22.
Get Critical Minerals & Mining monitored every week
This report was built from primary sources only — no aggregators. Pick your themes and sources, and OriginBrief delivers a cited report like this every week. Start your 7-day free trial — plans from $33/mo.
Start your 7-day free trial